CN213539440U - Assembled coincide floor - Google Patents
Assembled coincide floor Download PDFInfo
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- CN213539440U CN213539440U CN202022035942.7U CN202022035942U CN213539440U CN 213539440 U CN213539440 U CN 213539440U CN 202022035942 U CN202022035942 U CN 202022035942U CN 213539440 U CN213539440 U CN 213539440U
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- bottom plate
- prefabricated bottom
- prefabricated
- floor slab
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Abstract
The utility model relates to an assembled composite floor slab, which comprises a plurality of prefabricated bottom plates, wherein each prefabricated bottom plate is spliced along the width direction of the prefabricated bottom plate in sequence, and a splicing seam is arranged between every two adjacent prefabricated bottom plates; the middle parts of two sides of the prefabricated bottom plate along the length direction are respectively provided with a hollow groove; a grid-shaped steel bar framework is arranged in the prefabricated bottom plate, and bottom plate steel bars on the grid-shaped steel bar framework, which are positioned in the hollow grooves, extend out of the prefabricated bottom plate along the width direction of the prefabricated bottom plate; splicing steel bars are arranged on splicing seams between adjacent prefabricated bottom plates; the bottom plate steel bars in the hollow grooves of the adjacent prefabricated bottom plates are fixedly connected through lap joint steel bars; and pouring a reinforced concrete layer on the splicing seams and the upper layer of the prefabricated bottom plate. The utility model discloses a prefabricated bottom plate sectional type design, easily installation. And a splicing seam is arranged between the adjacent prefabricated bottom plates, so that stress concentration can be effectively reduced. Be equipped with grid form steel framework in the prefabricated bottom plate, guarantee the structural strength of prefabricated bottom plate to satisfy the structural strength requirement of floor.
Description
Technical Field
The utility model belongs to the technical field of the floor, concretely relates to assembled coincide floor.
Background
The composite floor slab is a structural form combining the prefabricated bottom plate and the upper cast-in-place concrete layer, has the advantages of integrity, high rigidity, good crack resistance and the like of the cast-in-place floor slab, and has the advantages of template saving, high industrialization degree, high construction speed and the like of the prefabricated floor slab. The mode of combining prefabrication and cast-in-place reduces the on-site wet workload, saves on-site template manufacture, saves energy, protects environment, and meets the development requirement of green buildings. The cast-in-place laminated layer can be paved with equipment pipelines, and the bottom surface of the prefabricated bottom plate is smooth and flat, so that decoration of a finish coat is facilitated. However, the existing common composite floor slab has the disadvantages of self-weight, inconvenient transportation and hoisting due to the rib-forming design, and stress concentration easily occurring due to long span.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned shortcomings and deficiencies in the prior art, it is an object of the present invention to at least solve one or more of the above-mentioned problems in the prior art, in other words, to provide a fabricated composite floor slab that meets one or more of the above-mentioned needs.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
an assembled composite floor slab comprises a plurality of prefabricated bottom plates, wherein the prefabricated bottom plates are sequentially spliced along the width direction of the prefabricated bottom plates, and splicing seams with preset intervals are formed between every two adjacent prefabricated bottom plates; the middle parts of two sides of the prefabricated bottom plate along the length direction are respectively provided with a hollow groove; a grid-shaped steel bar framework is arranged in the prefabricated bottom plate, and bottom plate steel bars on the grid-shaped steel bar framework, which are positioned in the hollow grooves, extend out of the prefabricated bottom plate along the width direction of the prefabricated bottom plate; splicing steel bars are arranged on splicing seams between adjacent prefabricated bottom plates; the bottom plate steel bars in the hollow grooves of the adjacent prefabricated bottom plates are fixedly connected through lap joint steel bars; and a reinforced concrete layer is poured on the splicing seams and the upper layer of the prefabricated bottom plate.
Preferably, a steel bar truss is further arranged in the prefabricated bottom plate.
Preferably, the steel bar truss extends along the length direction of the prefabricated bottom plate.
As the preferred scheme, the steel bar trusses have a plurality of groups, and are symmetrically distributed along the central axis of the prefabricated bottom plate.
Preferably, the steel bar truss comprises upper chord steel bars, lower chord steel bars and web member steel bars, and the upper chord steel bars, the lower chord steel bars and the web member steel bars are connected through resistance spot welding.
Preferably, the bottom plate steel bars and the lap-joint steel bars are welded and fixed.
As a preferred scheme, the splicing steel bars are avoided from the hollow grooves of the adjacent prefabricated bottom plates.
As preferred scheme, the concatenation reinforcing bar is equipped with several longitudinal reinforcement including locating the horizontal reinforcing bar on the adjacent prefabricated bottom plate respectively between two horizontal reinforcing bars.
Preferably, the hollow groove is of an inverted U shape.
Preferably, the prefabricated bottom plate is a concrete bottom plate.
Compared with the prior art, the utility model, beneficial effect is:
the utility model discloses an assembled coincide floor adopts prefabricated bottom plate sectional type design, and overall structure is simple, the atress is clear and definite, easily installation. And a splicing seam is arranged between the adjacent prefabricated bottom plates, so that stress concentration can be effectively reduced. Be equipped with grid form steel framework in the prefabricated bottom plate, guarantee the structural strength of prefabricated bottom plate to satisfy the structural strength requirement of floor.
Drawings
Fig. 1 is a schematic structural diagram of a prefabricated base plate according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a steel bar framework and a steel bar truss according to an embodiment of the present invention;
fig. 3 is a schematic view of a connection structure of adjacent prefabricated base plates according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a splicing seam between adjacent prefabricated base plates according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the hollow groove of the adjacent prefabricated base plates according to the embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
As shown in fig. 1 to 5, the fabricated composite floor slab according to the embodiment of the present invention includes a plurality of prefabricated base slabs 1, not limited to two slabs shown in fig. 3.
Wherein, the prefabricated bottom plate 1 is prefabricated in a factory and is a concrete bottom plate. Specifically, as shown in fig. 1 and 2, the middle parts of the two sides of the prefabricated bottom plate along the length direction thereof are respectively provided with a hollow groove 2, and the hollow grooves 2 are inverted u-shaped structures which are opened towards the center of the prefabricated bottom plate. Pre-buried grid form steel framework in prefabricated bottom plate 1, the last bottom plate reinforcing bar 3 that lies in hollow groove 2 of grid form steel framework extends to outside the prefabricated bottom plate along the width direction of prefabricated bottom plate, and the bottom plate reinforcing bar 3 in hollow groove 2 exposes outside prefabricated bottom plate length direction edge line promptly to realize the butt joint between the prefabricated bottom plate.
In addition, still be equipped with steel bar truss 4 in the prefabricated bottom plate 1, steel bar truss 4 extends along the length direction of prefabricated bottom plate 1, and steel bar truss's quantity can have the multiunit (for example two sets of in fig. 1 and 2), and two sets of steel bar truss are along the axis symmetric distribution of prefabricated bottom plate. Specifically, the steel bar truss 4 comprises an upper chord steel bar, a lower chord steel bar and a web member steel bar, and the upper chord steel bar, the lower chord steel bar and the web member steel bar are connected through resistance spot welding; the upper chord steel bar and the lower chord steel bar of the steel bar truss 4 are arranged in parallel and are arranged in an isosceles triangle shape, the lower chord steel bar is used as a stressed steel bar at the corresponding position of the prefabricated bottom plate, and the web member steel bar is welded between the upper chord steel bar and the lower chord steel bar.
As shown in fig. 3 and 4, the prefabricated bottom plates are sequentially spliced along the width direction of the prefabricated bottom plates, splicing seams 7 with preset intervals are formed between adjacent prefabricated bottom plates, splicing steel bars 5 playing a role in connection are placed at the splicing seams 7, and the splicing steel bars avoid hollow grooves of the adjacent prefabricated bottom plates. Specifically, concatenation reinforcing bar 5 is equipped with several longitudinal reinforcement including locating the horizontal reinforcing bar on the adjacent prefabricated bottom plate respectively between two horizontal reinforcing bars, guarantees the connection stability of adjacent prefabricated bottom plate to satisfy the technical requirement that the wholeness of coincide floor passed power.
As shown in fig. 3 and 5, the lap-joint reinforcing steel bars 6 are placed at the hollow grooves 2 and are welded with the bottom plate reinforcing steel bars 3 at the hollow grooves 2 of the adjacent prefabricated bottom plates, and then slab joint concrete and a cast-in-place reinforced concrete layer on the upper layer of the prefabricated bottom plate are poured to form an integral stress model and realize the integral force transmission performance of the structural floor slab.
The prefabricated bottom plate block of the assembly type composite floor slab provided by the embodiment of the invention has the advantages of simple integral structure, definite stress, easiness in installation, convenience in manufacturing, processing and transportation, simple construction method and flexible arrangement. According to the fabricated composite floor slab provided by the embodiment of the invention, the rigidity of the prefabricated bottom plate is increased by arranging the steel bar truss, the deformation of the bottom plate in the hoisting and construction stages is reduced, and the bearable construction load is increased. Still through setting up the concatenation seam, can effectively reduce stress concentration. In addition, the effective connection of the adjacent prefabricated bottom plates is ensured by placing the lap joint steel bars at the grooves, the integrity of the connection between the floor slabs is ensured by the measure of the cast-in-place seams between the adjacent plates, and the technical requirement of the integrity force transmission of the structural floor slabs is met.
The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (10)
1. An assembled composite floor slab is characterized by comprising a plurality of prefabricated bottom plates, wherein the prefabricated bottom plates are sequentially spliced along the width direction of the prefabricated bottom plates, and splicing seams with preset intervals are formed between every two adjacent prefabricated bottom plates; the middle parts of two sides of the prefabricated bottom plate along the length direction are respectively provided with a hollow groove; a grid-shaped steel bar framework is arranged in the prefabricated bottom plate, and bottom plate steel bars on the grid-shaped steel bar framework, which are positioned in the hollow grooves, extend out of the prefabricated bottom plate along the width direction of the prefabricated bottom plate; splicing steel bars are arranged on splicing seams between adjacent prefabricated bottom plates; the bottom plate steel bars in the hollow grooves of the adjacent prefabricated bottom plates are fixedly connected through lap joint steel bars; and a reinforced concrete layer is poured on the splicing seams and the upper layer of the prefabricated bottom plate.
2. An assembled composite floor slab as claimed in claim 1, wherein a steel bar truss is further provided in the prefabricated floor slab.
3. An assembled composite floor slab as claimed in claim 2, wherein the steel trusses extend along the length of the prefabricated floor slab.
4. An assembled composite floor slab as claimed in claim 3, wherein the plurality of sets of steel trusses are symmetrically disposed along the central axis of the prefabricated base slab.
5. An assembled composite floor slab as claimed in any one of claims 2 to 4, wherein the steel bar truss includes upper chord steel bars, lower chord steel bars and web members, and the upper chord steel bars, the lower chord steel bars and the web members are connected by resistance spot welding.
6. An assembled composite floor slab as claimed in claim 1, wherein the floor reinforcing bars are welded to the lap reinforcing bars.
7. An assembled composite floor slab as claimed in claim 1, wherein the splice reinforcement avoids the hollow recess of the adjacent prefabricated floor slab.
8. An assembled composite floor slab as claimed in claim 1 or 7, wherein the splice bars comprise transverse bars disposed on adjacent prefabricated floors, and a plurality of longitudinal bars are disposed between the transverse bars.
9. An assembled composite floor slab as claimed in claim 1, wherein said hollow recess is substantially u-shaped.
10. An assembled composite floor slab as claimed in claim 1, wherein said prefabricated floor slab is a concrete floor slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022035942.7U CN213539440U (en) | 2020-09-17 | 2020-09-17 | Assembled coincide floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022035942.7U CN213539440U (en) | 2020-09-17 | 2020-09-17 | Assembled coincide floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213539440U true CN213539440U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022035942.7U Active CN213539440U (en) | 2020-09-17 | 2020-09-17 | Assembled coincide floor |
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| CN (1) | CN213539440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114741773A (en) * | 2022-05-24 | 2022-07-12 | 三一筑工科技股份有限公司 | Method and device for generating groove floor model, electronic equipment and medium |
-
2020
- 2020-09-17 CN CN202022035942.7U patent/CN213539440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114741773A (en) * | 2022-05-24 | 2022-07-12 | 三一筑工科技股份有限公司 | Method and device for generating groove floor model, electronic equipment and medium |
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